/* Determine floating-point rounding mode within libc. ARM version. Copyright (C) 2012-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #ifndef _ARM_GET_ROUNDING_MODE_H #define _ARM_GET_ROUNDING_MODE_H 1 #include #include #include /* Return the floating-point rounding mode. */ static inline int get_rounding_mode (void) { fpu_control_t fpscr; /* FE_TONEAREST is the only supported rounding mode if a VFP unit isn't present. */ if (!ARM_HAVE_VFP) return FE_TONEAREST; _FPU_GETCW (fpscr); return fpscr & _FPU_MASK_RM; } #endif /* get-rounding-mode.h */